why ram slots 2 and 4

AMBIL SEKARANG

Memory slots used : 2 of 8. How to enable all ram? : r/ASRock

Task manager displayed that I have used 2 out of 4 RAM slots. (The 2 RAM slots are what I currently use) So where are the other RAM slots?

4 or 6 ram slots | Tom's Hardware Forum

I know this is going to sound like a newby question but i really want to know. Soon i am going to make my own computer using the ASUS P8P67 Deluxe motherboard. I want to know why some motherboards have 4 ram slots and some 6. Also the one i am using has 4 but has a bigger total capcity of ram...

Can I use dual channel RAM and single ...

Because that is all that is installed in your laptop, I have 2 slots also and on my Task Manager it says "Slots used: 2 of 4" and my laptop has 2 slots for the ram.